build(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/test.yml

@@ -40,7 +40,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: install deps
       if: matrix.criu == ''
@@ -119,7 +119,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: install deps
       run: |

.github/workflows/validate.yml

@@ -16,7 +16,7 @@ jobs:
   keyring:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: check runc.keyring
       run: make validate-keyring
 
@@ -27,7 +27,7 @@ jobs:
       pull-requests: read
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
       - uses: actions/setup-go@v4
@@ -53,7 +53,7 @@ jobs:
       # Don't ignore C warnings. Note that the output of "go env CGO_CFLAGS" by default is "-g -O2", so we keep them.
       CGO_CFLAGS: -g -O2 -Werror
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: install go
         uses: actions/setup-go@v4
         with:
@@ -64,7 +64,7 @@ jobs:
   codespell:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install deps
       # Version of codespell bundled with Ubuntu is way old, so use pip.
       run: pip install codespell
@@ -74,14 +74,14 @@ jobs:
   shfmt:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: shfmt
       run: make shfmt
 
   shellcheck:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: install shellcheck
         env:
           VERSION: v0.9.0
@@ -105,14 +105,14 @@ jobs:
   space-at-eol:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: rm -fr vendor
       - run: if git -P grep -I -n '\s$'; then echo "^^^ extra whitespace at EOL, please fix"; exit 1; fi
 
   deps:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install go
       uses: actions/setup-go@v4
       with:
@@ -146,7 +146,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: install deps
@@ -164,7 +164,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
@@ -194,7 +194,7 @@ jobs:
   get-images:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: install bashbrew